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Masterpact™ NT and NW Universal Power Circuit Breakers
Selection
160
05/2014
NOTE: LF circuit breakers are tested to show the arc flash hazard risk category as referenced by
NFPA 70E.
Table 71: UL 489 Listed W-Frame Circuit Breakers
Frame Rating
Model
Number
Interrupting Rating
Sensor Plug Rating
240 V 480 V 600 V
800 A
NW08N 65 kA 65 kA 50 kA 100 A, 250 A, 400 A, 600 A, 800 A
NW08H 100 kA 100 kA 85 kA 100 A, 250 A, 400 A, 600 A, 800 A
NW08L
1
1
Not available for fixed-mounted or 4P drawout circuit breakers.
200 kA 150 kA 100 kA 100 A, 250 A, 400 A, 600 A, 800 A
NW08LF
1
200 kA 150 kA 100 kA 100 A, 250 A, 400 A, 600 A, 800 A
1200 A
NW12N 65 kA 65 kA 50 kA 600 A, 800 A, 1000 A, 1200 A
NW12H 100 kA 100 kA 85 kA 600 A, 800 A, 1000 A, 1200 A
NW12L
1
200 kA 150 kA 100 kA 600 A, 800 A, 1000 A, 1200 A
NW12LF
1
200 kA 150 kA 100 kA 600 A, 800 A, 1000 A, 1200 A
1600 A
NW16N 65 kA 65 kA 50 kA 800 A, 1000 A, 1200 A, 1600 A
NW16H 100 kA 100 kA 85 kA 800 A, 1000 A, 1200 A, 1600 A
NW16L
1
200 kA 150 kA 100 kA 800 A, 1000 A, 1200 A, 1600 A
NW16LF
1
200 kA 150 kA 100 kA 800 A, 1000 A, 1200 A, 1600 A
2000 A
NW20N 65 kA 65 kA 50 kA 1000 A, 1200 A, 1600 A, 2000 A
NW20H 100 kA 100 kA 85 kA 1000 A, 1200 A, 1600 A, 2000 A
NW20L
1
200 kA 150 kA 100 kA 1000 A, 1200 A, 1600 A, 2000 A
NW20LF
1
200 kA 150 kA 100 kA 1000 A, 1200 A, 1600 A, 2000 A
2500 A
NW25H 100 kA 100 kA 85 kA 1200 A, 1600 A, 2000 A, 2500 A
NW25L
1
200 kA 150 kA 100 kA 1200 A, 1600 A, 2000 A, 2500 A
3000 A
NW30H 100 kA 100 kA 85 kA 1600 A, 2000 A, 2500 A, 3000 A
NW30L
1
200 kA 150 kA 100 kA 1600 A, 2000 A, 2500 A, 3000 A
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